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Latest PT0-003 Exam Questions


Question # 1



Given the following statements:

Implement a web application firewall.

Upgrade end-of-life operating systems.

Implement a secure software development life cycle.

In which of the following sections of a penetration test report would the above statements be found?

A. Executive summary
B. Attack narrative
C. Detailed findings
D. Recommendations



D.
  Recommendations


Explanation:

The given statements are actionable steps aimed at improving security. They fall under the recommendations section of a penetration test report. Here’s why option D is correct: Recommendations: This section of the report provides specific actions that should be taken to mitigate identified vulnerabilities and improve the overall security posture. Implementing a WAF, upgrading operating systems, and implementing a secure SDLC are recommendations to enhance security.

Executive Summary:

This section provides a high-level overview of the findings and their implications, intended for executive stakeholders.

Attack Narrative: This section details the steps taken during the penetration test, describing the attack vectors and methods used.

Detailed Findings:

This section provides an in-depth analysis of each identified vulnerability, including evidence and technical details.

References from Pentest:

Forge HTB: The report's recommendations section suggests specific measures to address the identified issues, similar to the given statements.

Writeup HTB:

Highlights the importance of the recommendations section in providing actionable steps to improve security based on the findings from the assessment.

Conclusion:

Option D, recommendations, is the correct section where the given statements would be found in a penetration test report.





Question # 2



A penetration tester gains access to a domain server and wants to enumerate the systems within the domain. Which of the following tools would provide the best oversight of domains?
A. Netcat
B. Wireshark
C. Nmap
D. Responder



C.
  Nmap


Explanation:

Installation:

Nmap can be installed on various operating systems. For example, on a Debian-based system:

sudo apt-get install nmap

Basic Network Scanning:

To scan a range of IP addresses in the network:

nmap -sP 192.168.1.0/24

Service and Version Detection:

To scan for open ports and detect the service versions running on a specific host:

nmap -sV 192.168.1.10

Enumerating Domain Systems:

Use Nmap with additional scripts to enumerate domain systems. For example, using the -script option:

nmap -p 445 -script=smb-enum-domains 192.168.1.10

Advanced Scanning Options:

Stealth Scan: Use the -sS option to perform a stealth scan:

nmap -sS 192.168.1.10

Aggressive Scan: Use the -A option to enable OS detection, version detection, script scanning, and traceroute:

nmap -A 192.168.1.10

Real-World Example:

A penetration tester uses Nmap to enumerate the systems within a domain by scanning the network for live hosts and identifying the services running on each host. This information helps in identifying potential vulnerabilities and entry points for further exploitation.

References from Pentesting Literature:

In "Penetration Testing - A Hands-on Introduction to Hacking," Nmap is extensively discussed for various stages of the penetration testing process, from reconnaissance to vulnerability assessment.

HTB write-ups often illustrate the use of Nmap for network enumeration and discovering potential attack vectors.

References:

Penetration Testing - A Hands-on Introduction to Hacking

HTB Official Writeups





Question # 3



A penetration tester discovers evidence of an advanced persistent threat on the network that is being tested. Which of the following should the tester do next?
A. Report the finding.
B. Analyze the finding.
C. Remove the threat.
D. Document the finding and continue testing.



A.
  Report the finding.


Explanation:

Upon discovering evidence of an advanced persistent threat (APT) on the network, the penetration tester should report the finding immediately.

Explanation:

Advanced Persistent Threat (APT):

Definition: APTs are prolonged and targeted cyberattacks in which an intruder gains access to a network and remains undetected for an extended period.

Significance: APTs often involve sophisticated tactics, techniques, and procedures (TTPs) aimed at stealing data or causing disruption.

Immediate Reporting:

Criticality: Discovering an APT requires immediate attention from the organization’s security team due to the potential impact and persistence of the threat.

Chain of Command: Following the protocol for reporting such findings ensures that appropriate incident response measures are initiated promptly.

Other Actions:

Analyzing the Finding: While analysis is important, it should be conducted by the incident response team after reporting.

Removing the Threat: This action should be taken by the organization’s security team following established incident response procedures.

Documenting and Continuing Testing: Documentation is crucial, but the immediate priority should be reporting the APT to ensure prompt action.

Pentest References:

Incident Response: Understanding the importance of immediate reporting and collaboration with the organization’s security team upon discovering critical threats like APTs. Ethical Responsibility: Following ethical guidelines and protocols to ensure the organization can respond effectively to significant threats.

By reporting the finding immediately, the penetration tester ensures that the organization’s security team is alerted to the presence of an APT, allowing them to initiate an appropriate incident response.





Question # 4



A penetration tester wants to create a malicious QR code to assist with a physical security assessment. Which of the following tools has the built-in functionality most likely needed for this task?
A. BeEF
B. John the Ripper
C. ZAP
D. Evilginx



A.
  BeEF


Explanation:

BeEF (Browser Exploitation Framework) is a penetration testing tool that focuses on web browsers. It has built-in functionality for generating malicious QR codes, which can be used to direct users to malicious websites, execute browser-based attacks, or gather information.

Understanding BeEF:

Purpose:

BeEF is designed to exploit vulnerabilities in web browsers and gather information from compromised browsers.

Features:


Includes tools for generating malicious payloads, QR codes, and social engineering techniques.

Creating Malicious QR Codes:

Functionality:

BeEF has a feature to generate QR codes that, when scanned, redirect the user to a malicious URL controlled by the attacker.

Command:

Generate a QR code that directs to a BeEF hook URL.

Step-by-Step Explanationbeef -x -qr

Usage in Physical Security Assessments:

Deployment:

Place QR codes in strategic locations to test whether individuals scan them and subsequently compromise their browsers.

Exploitation:

Once scanned, the QR code can lead to browser exploitation, information gathering, or other payload execution.

References from Pentesting Literature:

BeEF is commonly discussed in penetration testing guides for its browser exploitation capabilities. HTB write-ups and social engineering exercises often mention the use of BeEF for creating malicious QR codes and exploiting browser vulnerabilities.

References:

Penetration Testing - A Hands-on Introduction to Hacking

HTB Official Writeups





Question # 5



During a web application assessment, a penetration tester identifies an input field that allows JavaScript injection. The tester inserts a line of JavaScript that results in a prompt, presenting a text box when browsing to the page going forward. Which of the following types of attacks is this an example of?
A. SQL injection
B. SSRF
C. XSS
D. Server-side template injection



C.
  XSS


Explanation:

Cross-Site Scripting (XSS) is an attack that involves injecting malicious scripts into web pages viewed by other users. Here’s why option C is correct:

XSS (Cross-Site Scripting): This attack involves injecting JavaScript into a web application, which is then executed by the user’s browser. The scenario describes injecting a JavaScript prompt, which is a typical XSS payload.

SQL Injection: This involves injecting SQL commands to manipulate the database and does not relate to JavaScript injection.

SSRF (Server-Side Request Forgery): This attack tricks the server into making requests to unintended locations, which is not related to client-side JavaScript execution.

Server-Side Template Injection: This involves injecting code into server-side templates, not JavaScript that executes in the user’s browser.

References from Pentest:

Horizontall HTB: Demonstrates identifying and exploiting XSS vulnerabilities in web applications. Luke HTB: Highlights the process of testing for XSS by injecting scripts and observing their execution in the browser.





Question # 6



While conducting a peer review for a recent assessment, a penetration tester finds the debugging mode is still enabled for the production system. Which of the following is most likely responsible for this observation?
A. Configuration changes were not reverted.
B. A full backup restoration is required for the server.
C. The penetration test was not completed on time.
D. The penetration tester was locked out of the system.



A.
  Configuration changes were not reverted.


Explanation:

Debugging Mode:

Purpose: Debugging mode provides detailed error messages and debugging information, useful during development.

Risk: In a production environment, it exposes sensitive information and vulnerabilities, making the system more susceptible to attacks.

Common Causes:

Configuration Changes: During testing or penetration testing, configurations might be altered to facilitate debugging. If not reverted, these changes can leave the system in a vulnerable state. Oversight: Configuration changes might be overlooked during deployment.

Best Practices:

Deployment Checklist: Ensure a checklist is followed that includes reverting any debug configurations before moving to production.

Configuration Management: Use configuration management tools to track and manage changes. References from Pentesting Literature:

The importance of reverting configuration changes is highlighted in penetration testing guides to prevent leaving systems in a vulnerable state post-testing.

HTB write-ups often mention checking and ensuring debugging modes are disabled in production environments.

References:

Penetration Testing - A Hands-on Introduction to Hacking

HTB Official Writeups





Question # 7



Which of the following is a term used to describe a situation in which a penetration tester bypasses physical access controls and gains access to a facility by entering at the same time as an employee?
A. Badge cloning
B. Shoulder surfing
C. Tailgating
D. Site survey



C.
  Tailgating


Explanation:

Tailgating is the term used to describe a situation where a penetration tester bypasses physical access controls and gains access to a facility by entering at the same time as an employee. Explanation:

Tailgating:

Definition: Tailgating occurs when an unauthorized person follows an authorized person into a restricted area without the latter’s consent or knowledge. The authorized person typically opens a door or checkpoint, and the unauthorized person slips in behind them.

Example: An attacker waits near the entrance of a building and enters right after an employee, bypassing security measures.

Physical Security:

Importance: Physical security is a crucial aspect of overall security posture. Tailgating exploits human factors and weaknesses in physical security controls.

Prevention: Security measures such as turnstiles, mantraps, and security personnel can help prevent tailgating.

Pentest References:

Physical Penetration Testing: Tailgating is a common technique used in physical penetration tests to assess the effectiveness of an organization’s physical security controls.

Social Engineering: Tailgating often involves social engineering, where the attacker relies on the politeness or unawareness of the employee to gain unauthorized access.

By understanding and using tailgating, penetration testers can evaluate the effectiveness of an organization’s physical security measures and identify potential vulnerabilities that could be exploited by malicious actors.





Question # 8



Which of the following OT protocols sends information in cleartext?
A. TTEthernet
B. DNP3
C. Modbus
D. PROFINET



C.
  Modbus


Explanation:

Operational Technology (OT) protocols are used in industrial control systems (ICS) to manage and automate physical processes. Here’s an analysis of each protocol regarding whether it sends information in cleartext:

TTEthernet (Option A):

Explanation:

TTEthernet (Time-Triggered Ethernet) is designed for real-time communication and safety-critical systems.

Security:

It includes mechanisms for reliable and deterministic data transfer, not typically sending information in cleartext.

DNP3 (Option B):

Explanation:

DNP3 (Distributed Network Protocol) is used in electric and water utilities for SCADA (Supervisory Control and Data Acquisition) systems.

Security:

While the original DNP3 protocol transmits data in cleartext, the DNP3 Secure Authentication extensions provide cryptographic security features.

Modbus (Answer: C):

Explanation:

Modbus is a communication protocol used in industrial environments for transmitting data between electronic devices.

Security:

Modbus transmits data in cleartext, which makes it susceptible to interception and unauthorized access.

References:

The lack of security features in Modbus, such as encryption, is well-documented and a known vulnerability in ICS environments.

PROFINET (Option D):

Explanation:

PROFINET is a standard for industrial networking in automation.

Security:

PROFINET includes several security features, including support for encryption, which means it doesn’t necessarily send information in cleartext.

Conclusion:

Modbus is the protocol that most commonly sends information in clear text, making it vulnerable to eavesdropping and interception.





Question # 9



A penetration tester cannot find information on the target company's systems using common OSINT methods. The tester's attempts to do reconnaissance against internet-facing resources have been blocked by the company's WAF. Which of the following is the best way to avoid the WAF and gather information about the target company's systems?
A. HTML scraping
B. Code repository scanning
C. Directory enumeration
D. Port scanning



B.
  Code repository scanning


Explanation:

When traditional reconnaissance methods are blocked, scanning code repositories is an effective method to gather information.

Here’s why:

Code Repository Scanning:


Leaked Information:

Code repositories (e.g., GitHub, GitLab) often contain sensitive information, including API keys, configuration files, and even credentials that developers might inadvertently commit.

Accessible:

These repositories can often be accessed publicly, bypassing traditional defenses like WAFs.

Comparison with Other Methods:

HTML Scraping:

Limited to the data present on web pages and can still be blocked by WAF. Directory Enumeration:

Likely to be blocked by WAF as well and might not yield significant internal information.

Port Scanning:

Also likely to be blocked or trigger alerts on WAF or IDS/IPS systems. Scanning code repositories allows gathering a wide range of information that can be critical for further penetration testing effort





Question # 10



1 #!/bin/bash

2 for i in {1..254}; do

3 ping -c1 192.168.1.$i

4 done

The tester executes the script, but it fails with the following error:

-bash: syntax error near unexpected token `ping'

Which of the following should the tester do to fix the error?

A. Add do after line 2.
B. Replace {1..254} with $(seq 1 254).
C. Replace bash with tsh.
D. Replace $i with ${i}.



A.
  Add do after line 2.


Explanation:

The error in the script is due to a missing do keyword in the for loop. Here’s the corrected script and explanation:

Original Script:

1 #!/bin/bash

2 for i in {1..254}; do

3 ping -c1 192.168.1.$i

4 done

Error Explanation:

The for loop syntax in Bash requires the do keyword to indicate the start of the loop's body.

Corrected Script:

1 #!/bin/bash

2 for i in {1..254}; do

3 ping -c1 192.168.1.$i

4 done

Adding do after line 2 corrects the syntax error and allows the script to execute properly.




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